Following an old Vilani superstition, the pilot of a ship customarily dims the ship's interior and exterior lights before going into jump. Historically, this custom derived from the need for most of the ship's power to be diverted into the computer and jump drive systems, so that the jump drive could be guided into creating the jump field properly. Zhodani and Solomani pilots do not follow this tradition of "jump dimming."

Lights on a ship are typically dimmed for a period of about two minutes; the lights are brought back up to full strength as soon as the ship is in jumpspace

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